The Free On-line Dictionary of Computing (30 December 2018):
CompuServe Information Service
CompuServe Interactive Services
(CIS, CompuServe Interactive Services). An ISP and
on-line service portal based in Columbus, Ohio, USA; part of
AOL since February 1998.
CIS was founded in 1969 as a computer time-sharing service.
Along with AOL and Prodigy, CIS was one of the first
pre-Internet, on-line services for consumers, providing
bulletin boards, on-line conferencing, business news, sports
and weather, financial transactions, electronic mail,
Usenet news, travel and entertainment data and on-line
editions of computer publications. CIS was originally run by
In 1979, CompuServe was the first service to offer electronic
mail and technical support to personal computer users. In
1980 they were the first to offer real-timechat with its
CB Simulator. By 1982, the company had formed its Network
Services Division to provide wide-area networking to corporate
Initially mostly serving the USA, in 1986 they developed a
Japanese version called NIFTYSERVE. In 1989, they expanded
into Europe and became a leading Internet service provider.
In 2001 they released version 7.0 of their client program.
CompuServe home (http://compuserve.com/).